User's Manual

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5. GPIO Configuration
5.1. GPIO Configuration
Module Configuration
GPIO Pin number Configured GPIO Specific functionality ADC enable
0 4 - Factory reset (SW0) X
1 6 0 ZC or ZR: Permit joining
ZED: Wake-up (SW1)
X
2 5 1 ZB status: ZC/ZR/ZED (LED0) X
3 3 2 ZB status: data transmission (LED1) X
4 11 3 O (ADC0)
5 10 4 O (ADC1)
6 8 5 Set baud rate 1 (DIPSW0) O (ADC2)
7 7 6 Set baud rate 2 (DIPSW1) O (ADC3)
8 ? (unconnected) 7 Set baud rate 3 (DIPSW2) X
9 22 - UART_TXD (LED2) X
10 23 - UART_RXD (LED2) X
11 21 8 UART_CTS X
12 20 9 UART_RTS X
13 24 10 UART_DTR X
14 25 11 UART_DSR X
15 26 12 X
16 19 13 Set baud rate 4 (DIPSW3) X
5.2. GPIO Setting
0 disabled (unmonitored digital input)
1 Digital input, monitored
2 Digital output, default low
3 Digital output, default high
4 Analog input, single ended (A/D pins only)
5 Reserved for pin-specific alternate functionalities